Document JNO3oQpdxj1b8BXOr1MqL3mBZ

Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00001 Problem (and Opportunity) Innovation is needed in air monitoring: Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00002 Problem (and Opportunity) Air sensor technology is here, and in quickly increasing use. - Significant new players to the field - Emerging diversity of approaches (mobile monitoring, sensor networks, crowd-sourcing) - Exponential increase in data - Data quality is uncertain Received on 8/23/2017 TA POLLUTION AGENCY MPCA to plac* n#wor qyality sensors if? evory Mps/St. Paul ZIP > houses schodyfod for resident* to provide input on locations Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00003 Approach EPA ORD activities involve: Air sensor market research and technology evaluation Development and application of custom sensor systems for specific research studies Development of sensor data analytics, visualization, and real-time quality assurance measures Outreach and training 3 Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00004 Approach Air sensor market research and technology evaluation Example: Community Air Sensor Network (CAIRSENSE) project: Atlanta, GA and Denver, CO Collaboration with Region 4, State of GA tSm mm kA iAvvm. 'Altgmssotspe:hmesric Co-location of low-cost sensors at a the South Dekalb NCore site; pilot four-node sensor network <'mrmintl> Air Sen1' lSel>*wk K'AtK.SI-ASt-J |mjeti: isf hm-emt sensor performant'e m a snhnrhan emirifoment in the ^then rn Uuttrf StMm Viist Mint , i MfMt* m W ikviiC, W fa ii !$&&*?#'.&&&$i)mh- > ^ .s Tw a .ittiitg*', ^ l&Bt&ik*'5 5i,'3 sSiiaiEifcs ftm ss im A m s t v i M i , iiss <:; toss issi isssisfesssxsss,. t o s s s oe issis S'isis, > C 3 l L S.s s & A ISS, ss. f e s s a l a ? C 27^3 3, ISSA -S.JS S , , f e iisi !, .!!!;:!!, <: .X s : , M n %!>* . , , < *--< %sx -si i A i T i i , tas :i Ossi*., H i M . SBU i a. Siisi!!! iis issvi. S i i A SSA O A `i;i SA, A!: .,:SAS<A, SiS ii-A SSA i > s i ii< !< li < i s i s . ! ( \ i . ii S !!! ! '!;: 'i!!/! , V I , ! ' ! , ' Si- ,, s i ' i > iS 's s ' - in s -I M- ' i - IS S. iiiO s s i: > -si,-,,:*! A:iSi.~ As,!i!S!S: !:!! 3 M ~ S!!SSsS; S !*!<:Sii )?, Ongoing testing of sensors at EPA-RTP campus - laboratory and field tests f'Sigtft> C A likkA S h ?i*:U kK k ik m i'a) ;.:: .: .kmxvmmM k^mm, m i i^vW SK m k 130 V i&&&$. AC d&mk:?:. Sierra Club v. EPA 18cv3472 NDCA Tier 10 .. . is****- C fA 'l ED 002061 00270536-00005 Jffe ^%JF ifa^il m m ?r&i m 6nt&?rrots?esti::on .nf Approach Development and application of custom sensor systems Village Green Project Drop-in-place sensor pods Mobile sensors Fence-line monitoring 1, i Aerial systems Most commoil measures: 1 PM2.5 Ozone N02 VOCs Black carbon Sierra Club v. EPA 18cv3472 NDCA A Wildland Fire Sensors Challenge 'lfitfii ''W;: Tier 10 ED 002061 00270536-00006 Jffe ^%JF ifa^il m m Approac Sensor data analytics, visualization, and real-time QA Quality checks in real-time, posted at airnow.gov/villagegreen RETIGO: Data visualization tool (epa.gov/retigo) Multiple projects: Development of algorithms to flag/correctfor measurement artifacts (drift, environmental conditions, interferences) Sierra Club v. EPA 18cv3472 NDCA Tier 10 tv-\ ED 002061 00270536-00007 Approach Sensor data analytics, visualization, and real-time QA Coupling wind data and sensors to understand source location and type: Example: application to a regulatory-grade monitoring site in center of graphic, separating S02contributions from rail yard, air port, and power plant. Reference: Cicero Rail Yard Study, EPA /600/R/12/621 February 2014 Example: Fence-line systems plus inverse modeling to estimate locations of leaks in a major industrial facility Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00008 Approach Outreach and training 2015 Community Air Monitoring Training Air Sensor Toolbox: Test reports on sensor performance (field and laboratory) Citizen science guidance Links to tools and research efforts Workshops to convene stakeholders Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00009 Results and Impact International leadership in emerging sensor technology - best practices, application methods, analytical approaches Advice and support to a multitude of stakeholders (state/local agencies, EPA regions and program offices, community groups) Cooperative research partnerships with private sector on sensor technology High impact publications and communications 9 Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00010 Results and Impact Ultimately, air sensor technology has promised to result in reduced pollution exposure and improved public health through: Identification and mitigation of unintended source emissions More extensive data supporting public health communication - e.g., sensors for Air Resource Advisors during wildland fires Improved knowledge on exposure to air pollution at a community and individual level Star Tribune, June 25, 2016 tx - ^ i K k V-'" iy N i - " s t < \ . | - * , \ ! 10 Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00011 Contact Information Gayle Hagler US EPA Office of Research and Development National Exposure Research Laboratory Research Triangle Park, NC 919- 541-2827 11 Sierra Club v. EPA 18cv3472 NDCA Tier 10 ED 002061 00270536-00012